November 2006

Rev 2

1/10

10

Order code

Part Number

Marking

Package

Packing

BUL98

BUL98

TO-220

Tube

BUL98

High voltage fast-switching NPN power transistor

General features

■

High voltage capability

■

Minimum lot-to-lot spread for reliable operation

■

Low base drive requirements

■

Very high switching speed

■

■

In compliance with the 2002/93/EC European

Directive

Applications

■

Electronic transformers for halogen lamps

■

Switch mode power supply

Description

The device is manufactured using high voltage

Multi-Epitaxial Planar technology for cost-

effective high performance. It uses a Hollow

Emitter structure to enhance switching speeds.

The device is designed for use in lighting

applications and low cost switch-mode power

supplies.

Internal schematic diagram

TO-220

1

2

3

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